Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber
We demonstrate an in-line Mach–Zehnder interference with a dispersion turning point (DTP) by sandwiching a section of three-core fiber (TCF) between two short no-core fibers (NCFs). The interference occurs mainly between the center core mode and a cladding mode of the TCF, which are excited and reco...
| मुख्य लेखकों: | , , , , , |
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| अन्य लेखक: | |
| स्वरूप: | Journal Article |
| भाषा: | English |
| प्रकाशित: |
2023
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| विषय: | |
| ऑनलाइन पहुंच: | https://hdl.handle.net/10356/172856 |
| _version_ | 1826120162964668416 |
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| author | Wei, Yefen Wu, Zhifang Wang, Xicheng Shum, Perry Ping Shao, Xuguang Pu, Jixiong |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Wei, Yefen Wu, Zhifang Wang, Xicheng Shum, Perry Ping Shao, Xuguang Pu, Jixiong |
| author_sort | Wei, Yefen |
| collection | NTU |
| description | We demonstrate an in-line Mach–Zehnder interference with a dispersion turning point (DTP) by sandwiching a section of three-core fiber (TCF) between two short no-core fibers (NCFs). The interference occurs mainly between the center core mode and a cladding mode of the TCF, which are excited and recoupled by the two NCFs. Two interference dips flanking the DTP are sensitive to ambient refractive index (RI) but shift oppositely. Moreover, the interval between these two dips responds linearly to ambient RI as well and has a higher sensitivity (−67.56 nm/RIU) within the RI range from 1.3518 to 1.4003. Meanwhile, the third dip near the DTP shows relatively low sensitivity to RI but is highly sensitive to temperature. By using the different responses of the third dip and the interval between flanking dips, this device is proposed to apply as a RI sensor with the compensation scheme of temperature. Finally, all three interference dips show very low sensitivity to axial strain, and the disturbance of strain can be further depressed by using the interval as the indicator. |
| first_indexed | 2024-10-01T05:11:43Z |
| format | Journal Article |
| id | ntu-10356/172856 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:11:43Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1728562023-12-27T01:22:33Z Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber Wei, Yefen Wu, Zhifang Wang, Xicheng Shum, Perry Ping Shao, Xuguang Pu, Jixiong School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Three-Core Fiber Mach–Zehnder Interference We demonstrate an in-line Mach–Zehnder interference with a dispersion turning point (DTP) by sandwiching a section of three-core fiber (TCF) between two short no-core fibers (NCFs). The interference occurs mainly between the center core mode and a cladding mode of the TCF, which are excited and recoupled by the two NCFs. Two interference dips flanking the DTP are sensitive to ambient refractive index (RI) but shift oppositely. Moreover, the interval between these two dips responds linearly to ambient RI as well and has a higher sensitivity (−67.56 nm/RIU) within the RI range from 1.3518 to 1.4003. Meanwhile, the third dip near the DTP shows relatively low sensitivity to RI but is highly sensitive to temperature. By using the different responses of the third dip and the interval between flanking dips, this device is proposed to apply as a RI sensor with the compensation scheme of temperature. Finally, all three interference dips show very low sensitivity to axial strain, and the disturbance of strain can be further depressed by using the interval as the indicator. This work is partially supported by National Natural Science Foundation of China (11774102), the Promotion Program for Young and Middle-aged Teacher in Science and Technology Research of Huaqiao University, China (ZQN-YX504). 2023-12-27T01:22:33Z 2023-12-27T01:22:33Z 2023 Journal Article Wei, Y., Wu, Z., Wang, X., Shum, P. P., Shao, X. & Pu, J. (2023). Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber. Sensors and Actuators A: Physical, 349, 114012-. https://dx.doi.org/10.1016/j.sna.2022.114012 0924-4247 https://hdl.handle.net/10356/172856 10.1016/j.sna.2022.114012 2-s2.0-85145610018 349 114012 en Sensors and Actuators A: Physical © 2022 Elsevier B.V. All rights reserved. |
| spellingShingle | Engineering::Electrical and electronic engineering Three-Core Fiber Mach–Zehnder Interference Wei, Yefen Wu, Zhifang Wang, Xicheng Shum, Perry Ping Shao, Xuguang Pu, Jixiong Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber |
| title | Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber |
| title_full | Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber |
| title_fullStr | Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber |
| title_full_unstemmed | Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber |
| title_short | Temperature and strain self-compensated refractometer based on turning point of Mach–Zehnder interference in three-core fiber |
| title_sort | temperature and strain self compensated refractometer based on turning point of mach zehnder interference in three core fiber |
| topic | Engineering::Electrical and electronic engineering Three-Core Fiber Mach–Zehnder Interference |
| url | https://hdl.handle.net/10356/172856 |
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